... 4.Can do special design 5.MOQ 1pcs ProductCast iron ball valveSize15~200mmMaterialCast ironStandardISO,ANSI,ASTM,API,DINApplicationWater,air,non-corrosive ... Advantages:1. Small fluid resistance,the whole diameter of the ball basically has no flow resistance.2. Simple structure,small and ... ,easy to dismantle and replace.6. Sealing surface of ball and valve seat is separate with media when full open ...